7... b7b5 A common idea in the Sicilian, Black tries to develop first the queenside as comfortably as he can and only then proceeds with the completion of the kingside development. Still, keeping the king in the center for long is a risky strategy. 8. a2a4 White has a better chance to make use of the open files. 8... c8b7  9. d2d4  9... c5d4 